Charles a



UNITED lAlIENT OFFICE.l

CHARLES A. STEBBINS, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO HIMSELF AND REUBEN J. TODD, Oli` SAME PLACE.

APPARATUS FOR, OILING CYLINDERS AND THE PISTONS OF STEAM-ENGINES.

Specification of Letters Patent No. 24,606, dated June 28, 1859.

To all whom 'it may concern:

Be it known that I, CHARLES A. STEBBINS, of Boston, in the county of Suffolk and State of Massachusetts, have invented an Improved Apparatus for Oiling Cylinders and Pistons for Steam-Engines; and I do hereby declare that the same is fully described and represented in the following specification and the accompanying drawings, of which- Figure 1 is a side elevation, and Fig. 2, a longitudinal section of it.

This apparatus when in use is to be screwed upon the valve chest or the cylinder of a steam engine and is to open at its foot into .the same. It` consists. lirst, of a hollow vessel or reservoir A. carrying within it a t'orce pump, the barrel of which is exhibited at l) and the piston thereof at C. see Fig. 2. The said pump is furnished with an induction valve a and an eduction valve Z), both of which are shown in Fig. i2. The latter valve opens downward, and under ordinary circumstances is pressed toward its seat f7, by means of a spring c, arranged below it as shown in the drawings.

During the operations of the engine the valve is very liable to be opened so as to permit more oil to be discharged through its opening than is requisite, the spring not being suthcient to keep Vthe valve close to its seat.

The object of my improvement, which consists in combining a lifter and holder with the valve and the piston is not only to enable the` valve to be lirmly held up to its seat while the piston is elevated to its highest position. but, also while such piston may he removed from the pump for being repacked or for any other purpose.

In carrying out my invention, I apply the valve 7) to the lower end of a rod f, which I term the liften77 The said rod extends through the central part of a head g of a tubular holder 7L, and has a head or button fixed upon its upper end. The said tubular i i l l l i holder /zA extends longitudinally through the piston C, and corresponds in length therewith.

F ig. 3 exhibits a. side view of the piston while Fig. l is a sideview of the tubular holder each being furnished with two slots 7. m, n, o, arranged as shown in the drawings and for the purpose of receiving wedges p, g. The uppermost wedge (7)) passes through a socket 7' of a handle D and serves to confine both the piston C, and holder 71, to the said handle while the piston is in placel within the pump barrel. Vhen, under such circumstances, the piston is at its highest position, the button z' of the rod f will bear against the inner surface of the head ,f/ of the holder z, so that the holder will serve to draw the valve Z) close up to its seat and will preserve it in contact therewith by means of the wedge (j, which being passed through the lowermost slots m, 0, and made to rest or bear on the top'of the neck s of the vessel A will confine the holder /1y in position. Furthermore, while the pis ton is moved from the pump barrel, the said wedge may be used in the same manner to preserve the piston of the holder 7.1, whereby the valve Z) will he maintained closely against its seat. On removal of the wedge y, from the lowermost slots mi, 0, the piston may be worked or moved longitudinally in the barrel I3, so as to abstract the liquid oily matter Lfrom the vessel A and inject it into the engine cylinder.

I claim- The combination of the lifter f and tubular holder la, (or their equivalent or-equivalents) with the valve 7) and the piston @,the whole 'being constructed and applied together and to a reservoir A, and its pump barrel B substantially in manner and to op erate as specified.

CHARLES A. STEBBINS. lVitnesses F. P. HALE, Jr., F. A. BROOKS. 

